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DIY Vacuum Cleaner Assembled Puzzles Scientific Experiment Educational Mini Model Early Learning Toy for Children Kids
Features:
Suitable for students to assemble themselves and cultivate students' motivation.
Exercise hands-on ability, understand simple circuit and mechanical transmission.
Specifications:
Material: Wood
Size: Length: approx.150mm-180mm/5.91-7.09 in (About the length of the bottle)
Diameter:approx. 80mm/3.15 in
Battery:No
Beverage bottle:No
Working principle:
The motor rotates at a high speed, causing the fan to discharge air from the bottle mouth to the outside of the bottle, thereby forming a negative pressure in the bottle.
Finally, suction is generated at the mouth of the bottle, and the paper dust is sucked into the bottle.

Notes:
1.This product does not contain beverage bottles (the most common round water bottle) and two AA batteries, please bring your own.
2.Please allow 1-3 cm differs due to manual measurement.
3.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding.
Included:
1 X DIY Vacuum Cleaner